From postfix-users  Tue Sep 24 21:25:40 2019
From: Chris Wedgwood <cw () f00f ! org>
Date: Tue, 24 Sep 2019 21:25:40 +0000
To: postfix-users
Subject: Re: Suggestions for less spam
Message-Id: <20190924212540.GB10261 () aether ! stupidest ! org>
X-MARC-Message: https://marc.info/?l=postfix-users&m=156936081332164

> >     # reject clients without PTR
> >     reject_unknown_reverse_client_hostname

FWIW

i log/report such things but don't reject; there is some percentage of
real email that comes from sources with broken PTR or missing records